Painting tool



FIG. 1 is a front elevational view of a painting tool, showing our new design;

FIG. 2 is a rear elevational view thereof;

FIG. 3 is a top plan view thereof;

FIG. 4 is a bottom plan view thereof;

FIG. 5 is a side elevational view thereof;

FIG. 6 is an elevational view of the opposite side thereof. 

The ornamental design for a painting tool, substantially as shown. 